/*
	Ajanta - Java Linear Programming Library

	Copyright 2010 Raghu Kaippully.

	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at

    	http://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
 */

package logic.simplex.model;

/**
 * Solution of an {@link LPProblem}
 * 
 * @see LPProblem
 * @see LPSolver
 */
public interface LPSolution {

	/**
	 * Returns the optimal value of the objective function.
	 * 
	 * @return the optimal value of the objective function.
	 */
	double getObjectiveFunctionValue();

	/**
	 * Returns the value of the given variable corresponding to the optimal solution.
	 *
	 * @return the value of the given variable corresponding to the optimal solution.
	 */
	double getSolution(LPVariable variable);
}
